{
  "manageEntity": {
    "action": "Update",
    "entityId": "569202441",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraeb2oajkxrqqzhvxiqssoxb3kahnrj4yye4zle2n7tegxm5rrobga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1714480436}]}}}",
    "nonce": "0x58391a75dfc3306a34580197493f9f6ece420517427c45c235f35c0362fa0d82",
    "signature": "0xdf0f8e00c29319822d8f5a4b684675270dbff0439f1e75b88ca7c5c480b8fd437dbca0f8716de2fa05b7ac1d2991f948eecc89008f7b18f60a32197777661ca71c",
    "signer": "0x96C8508FdF955f401b16FF7fA98270FDAc374Cd8",
    "userId": "569202441"
  }
}